From: Haiwei Li <lihaiwei.kernel@gmail.com>
To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: pbonzini@redhat.com, seanjc@google.com, vkuznets@redhat.com,
wanpengli@tencent.com, jmattson@google.com, joro@8bytes.org,
Haiwei Li <lihaiwei@tencent.com>
Subject: Re: [PATCH] kvm: lapic: add module parameters for LAPIC_TIMER_ADVANCE_ADJUST_MAX/MIN
Date: Wed, 3 Mar 2021 10:39:29 +0800 [thread overview]
Message-ID: <03239d81-df56-a6c9-c79d-c14d22f62705@gmail.com> (raw)
In-Reply-To: <20210303020946.26083-1-lihaiwei.kernel@gmail.com>
On 21/3/3 10:09, lihaiwei.kernel@gmail.com wrote:
> From: Haiwei Li <lihaiwei@tencent.com>
>
> In my test environment, advance_expire_delta is frequently greater than
> the fixed LAPIC_TIMER_ADVANCE_ADJUST_MAX. And this will hinder the
> adjustment.
Supplementary details:
I have tried to backport timer related features to our production
kernel.
After completed, i found that advance_expire_delta is frequently greater
than the fixed value. It's necessary to trun the fixed to dynamically
values.
--
Haiwei Li
next prev parent reply other threads:[~2021-03-03 7:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-03 2:09 [PATCH] kvm: lapic: add module parameters for LAPIC_TIMER_ADVANCE_ADJUST_MAX/MIN lihaiwei.kernel
2021-03-03 2:39 ` Haiwei Li [this message]
2021-03-09 23:42 ` Sean Christopherson
2021-03-10 9:15 ` Haiwei Li
2021-03-13 0:58 ` Sean Christopherson
2021-03-13 1:31 ` Haiwei Li
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